Electrolytic cell.



. zi .1 1 A 4 Patented Nov. 25, I902. M. c. BYPINSKI. ELECTROLYTIC CELL.

@ uwJou mm Apr. 2:. 900.; I

(No Iuhl.)

Jnventort- Maurice C. RgpinsKl v UNITED STATES PATENT OFFICE.

MAURICE C. RYPINSKI, OF SCHENECTADY, NEV YORK, ASSIGNOR TO THE GENERAL ELECTRIC COMPANY, A CORPORATION OF NE\V YORK.

ELECTROLYTIC CELL.

SPECIFICATION forming part of Letters Patent No. 714,400, dated November-25, 19 02.

I Application filed April 25, 1900. Serial No. 14,2 73. (K model.) I

To all whom it may concern.- V

Beit known that-I, MAURICE C. RYPISSKI, a citizen of the United States, residing at Schenectady, county of Schenectady, State of New York, have inyeutedcertain new and useful Improvements in Electrolytic Cells, of which the following is a specification.

My invention relates to certain improvements in electrolytic cells, commonly known to in the art as polarization-cells. Such a cell, as is well known, possesses the property of opposing an apparent eleetroniotivc t'm-ce to the passage of current through it in one direction, which opposition disappears as the 19 current is reversed. This property of the cell may be utilized in changing alternating current into direct current or for simulatin; the eiIect of a condenser; For the first purpose. the electrodes should be of different. ma- :0 terial--such, for example, as carbon and ainminiu1n-while for the latter purpose they should be of similar material, as aluminium. Such a. cell as heretofore constructed is open to the objection that a hard harnacle-like formatiou gathers on the aluminium plates and so far, interferes with the action of the cell as to render it useless after a comparatively short period of operation. I have found that a solution of the potassium and sodium salt of tartaric acid, commonly known in the arts as Rochelle salts, is particularly adapted to form the electrolyte, and when so used the electrodes of the'celi remain as clean after many Weeks use as wheniirst put into operation.

The drawing illu trates an embodiment of my invention, in which A represents a containing vessel, B and C the electrodes, and

D the electrolyte, consisting of a solution ofa salt of an organic acid-such, for example,

as an aqueous sol ution of Rochelle salts, mentioned above. a

What I claim as new, and desire to secure by Letters Patent of the United States, is

1. An electrolytic cell provided with electrodes, and an electrolyte containing a salt of an organic acid.

2. An electrolytic cell provided with electrodes one at least of which is of aluminium, and an electrolyte consisting ofa solution of a salt of an organic acid.

3. An electrolytic cell provided with electrodes, one at least of which is of aluminium, and an electrolyte consistingofa solution of Rochelle salts.

4. Au electrolytic cell provided with electrodes, one of which is of aluminium, and an electrolyte containing Rochelle-salts.

In witness whereof I have hereunto set my hand this Bist day of April, 1900. r

MAURICE C. RYPINSKI. Witnesses:

BENJAMIN B. HULL, Manet. E. J AcoBsoi 

